CN102216812A - Aspheric lens manufacturing method - Google Patents
Aspheric lens manufacturing method Download PDFInfo
- Publication number
- CN102216812A CN102216812A CN200980145511XA CN200980145511A CN102216812A CN 102216812 A CN102216812 A CN 102216812A CN 200980145511X A CN200980145511X A CN 200980145511XA CN 200980145511 A CN200980145511 A CN 200980145511A CN 102216812 A CN102216812 A CN 102216812A
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- China
- Prior art keywords
- forming body
- glass
- spherical lens
- glass forming
- manufacture method
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/005—Blocking means, chucks or the like; Alignment devices
- B24B13/0052—Lens block moulding devices
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/40—Product characteristics
- C03B2215/46—Lenses, e.g. bi-convex
- C03B2215/49—Complex forms not covered by groups C03B2215/47 or C03B2215/48
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/72—Barrel presses or equivalent, e.g. of the ring mould type
Abstract
Provided is an aspheric lens manufacturing method by which an aspheric lens having a desired shape can be manufactured with high accuracy regardless of the shape of a glass compact without reducing productivity. The aspheric lens manufacturing method for forming the aspheric lens by pressing and machining a glass material, comprises a pressing step for pressing the glass material to thereby form the aspheric surface, the flat surface of the peripheral edge of the aspheric surface, and the side surface continuous to the flat surface at the same time and form the glass compact, a mounting step for mounting the glass compact in a work holder which holds and positions the glass compact by being in contact with the flat surface and the side surface of the glass compact formed in the pressing step, and a machining step for machining the other surface of the glass compact mounted in the work holder in the mounting step to thereby form the other surface into a predetermined surface shape.
Description
Technical field
The present invention relates to the manufacture method of non-spherical lens, relate in particular to the manufacture method of the non-spherical lens that adopts mold pressing processing and machining.
Background technology
In recent years, non-spherical lens be used as digital camera with the optical pickup lens of lens, DVD etc., mobile phone with meniscus camera lens, optical communication with coupled lens, various reflective mirrors etc., its purposes is in extensive range.As the manufacture method of this non-spherical lens, known have mold pressing processing and machining (cut, grind the general name of cutting processing, attrition process) etc.
Mold pressing processing be with upper die and lower die compression molding thermoplastic the processing method of glass material.This compression molding method can be with the one side of short time molded lens, but condition of molding is very strict, is not easy high precision moulding two sides.
And machining can high-precision processing, still, owing to must use at high price high-precision particular job machinery, spend and carry out attrition process etc. for a long time, so the activity duration of needs adds the section chief than mold pressing, has shortcoming.In order to deal with the problems referred to above, advised a kind of autofrettage of non-spherical lens in the patent documentation 1, wherein be the strong point separately of getting the mold pressing processing and the high-accuracy mechanical processing of employing in the past.
The method of record is first mold pressing processed glass material in the patent documentation 1, and compression molding simultaneously is the glass forming body of smooth summary plano-convex shape for protruding aspheric surface another side.Subsequent this glass forming body is embedded special centering mirror holder, the smooth another side of machining glass forming body then forms the sphere of concave surface, makes concave-convex lens thus.
The look-ahead technique document
Patent documentation 1: the spy opens flat 6-206156 communique
Summary of the invention
The problem that the invention desire solves
But, the method of record in the patent documentation 1, be that glass ware forming shape with initial compression molding is that one side is that convex surface aspheric surface another side is that smooth summary plano-convex shape glass forming body is a prerequisite, can only be used for the manufacture method that another side by this glass forming body of machining forms the concave-convex lens that the concave surface sphere forms, existing problems.
In addition, be to constitute by lens to overlap the smooth another side of glass forming body by pressing, make the lens axis fixed part run into the aspheric circumference of glass forming body to fix aspheric optical axis, thereby make the consistent structure of central part of aspheric optical axis and the mirror holder of feeling relieved at patrix.Therefore, necessary high precision guarantees the relative position relation of the aspheric surface of glass forming body and the depth of parallelism of tabular surface etc., during the machining sphere, has the problem of the optical axis deviation generation off-centre of aspheric surface and sphere.
The present invention is in view of above-mentioned problem, and purpose is to provide a kind of manufacture method of non-spherical lens, wherein, can not influence productivity, no matter the shape of glass forming body how, high precision is made the non-spherical lens of the shape of hoping.
With the means that solve problem
Above-mentioned purpose by following 1 to 8 any one in the invention put down in writing reach.
1. the manufacture method of a non-spherical lens is the non-spherical lens manufacture method that mold pressing processing and machining glass material form non-spherical lens, it is characterized in that possessing following operation:
The mold pressing manufacturing procedure, the described glass material of mold pressing forms the tabular surface of aspheric surface and this aspheric surface periphery and the side of this tabular surface of ining succession simultaneously, forms glass forming body;
The operation of packing into, with the described glass forming body processing mirror holder of packing into, this processing mirror holder is run into the described tabular surface and the described side of the described glass forming body that is formed by described mold pressing manufacturing procedure, supports and locate this glass forming body;
The machining operation is machined in the another side that the described operation of packing into is loaded into the described glass forming body of described processing mirror holder, form fixed face shape.
2. the manufacture method of the non-spherical lens of record is characterized in that in above-mentioned 1, and the mould that adopts in the described mold pressing processing has upper die and lower die and forms the side mold of described side.
3. the manufacture method of non-spherical lens of record is characterized in that in above-mentioned 2, described mold pressing manufacturing procedure be on described counterdie, accumulate melten glass after, with the melten glass on described patrix and the above-mentioned counterdie of described side mold mold pressing.
4. the manufacture method of the non-spherical lens of record is characterized in that in above-mentioned 3, supplies to the temperature of the melten glass of described counterdie in the described mold pressing manufacturing procedure, is higher than the temperature of described counterdie.
5. the manufacture method of the non-spherical lens of putting down in writing in any one of above-mentioned 2 to 4 is characterized in that, described side mold is fixed in described patrix or described counterdie.
6. the manufacture method of the non-spherical lens of putting down in writing in any one of above-mentioned 1 to 5 is characterized in that, described processing mirror holder has: the glass forming body support component A that runs into the described tabular surface of described glass forming body; Meet the glass forming body support component B of the described side of described glass forming body.
7. the manufacture method of the non-spherical lens of putting down in writing in any one of above-mentioned 1 to 6 is characterized in that, described tabular surface is perpendicular to described aspheric optical axis, and described parallel sided is in described aspheric optical axis.
8. the manufacture method of the non-spherical lens of putting down in writing in any one of above-mentioned 1 to 7 is characterized in that, described machining operation comprises cut, grinds at least a job operation of cutting in processing, the attrition process.
The effect of invention
According to the present invention because when mold pressing processed glass material the simultaneously tabular surface and the side of moulding aspheric surface and this aspheric surface periphery, so, guaranteed the relative position relation between aspheric surface and tabular surface and the side.In other words, guaranteed relative position relation between aspheric optical axis and tabular surface and the side.Run into processing mirror holder ground, support Locating Glass formed body respectively because make above-mentioned and the guaranteed tabular surface of the relative position relation aspheric surface optical axis and side, so, regulation the inclination of glass forming body aspheric surface optical axis and the departing from of center of relative processing mirror holder core, aspheric optical axis with processing mirror holder core, be that machining center is consistent.Thus, when the another side of machining glass forming body for example forms sphere, can easily make the optical axis of this sphere consistent with aspheric optical axis.
In addition, because constitute the tabular surface of glass forming body and the constituting of supporting by the moulding of mold pressing manufacturing procedure of side,, also can be convex surface, concave surface so the shape of the another side of the glass forming body of moulding is defined in tabular surface unlike in the past.Equally, aspheric shape also can be convex surface, concave surface.Thus, the shape of glass forming body is not limited, and can make the non-spherical lens of the shape of hoping.
So, can not influence productivity, no matter the shape of glass forming body how, is made the non-spherical lens of the shape of hoping accurately.
Description of drawings
Fig. 1: the schematic configuration cross section pattern diagram of the mould of embodiment of the present invention.
Fig. 2: the cross section pattern diagram of the glass forming body of embodiment of the present invention.
Fig. 3: the schematic configuration cross section pattern diagram of the processing mirror holder of embodiment of the present invention.
Fig. 4: the cross section pattern diagram of the glass forming body state of packing on the processing mirror holder of embodiment of the present invention.
Fig. 5: the shaped device one routine cross section pattern diagram of embodiment of the present invention.
Embodiment
The embodiment of non-spherical lens manufacture method of the present invention is described with reference to the accompanying drawings.Here according to illustrated embodiment the present invention is explained, but the present invention is not limited to this embodiment.
The non-spherical lens manufacture method of embodiment of the present invention is first moulded glass material, forms the tabular surface of aspheric surface and this aspheric surface periphery and the side of this tabular surface of ining succession simultaneously, forms glass forming body (mold pressing manufacturing procedure).Subsequent with glass forming body pack into tabular surface and side, the support of running into the glass forming body that forms by the mold pressing manufacturing procedure respectively and the processing mirror holder (operation of packing into) of locating this glass forming body.Then by machining, the another side of the glass forming body that is processed in mold pressing, form fixed face shape (machining operation), make non-spherical lens.Describe in detail below.
[mold pressing manufacturing procedure]
At first, with reference to Fig. 1, the structure of the mould that uses in the mold pressing processing is described.Fig. 1 is the schematic configuration cross section pattern diagram of the mould 3 of embodiment of the present invention one example.
As shown in Figure 1, mould 3 is made of patrix 31, counterdie 33 and side mold 35 etc.
The forming surface 31a of aspherical shape and the forming surface 31c of forming surface 31a periphery tabular surface shape have been formed on the patrix 31.Forming surface 31c is a tabular surface, and it is perpendicular to the aspheric optical axis of forming surface 31 moulding.Concave forming surface 33a and forming surface 35a have been formed on counterdie 33 and the side mold 35 respectively.The forming surface 35a of side mold 35 is barrel surface, and its aspheric optical axis with forming surface 31 moulding is the center.Side mold 35 is shape in the form of a ring, is embedded into to be fixed in patrix 31.In the present embodiment, the forming surface 31a of patrix 31 is formed the aspheric surface of concave surface, and the forming surface 33a of counterdie 33 is formed concave surface, but their face shape all is not limited to this, also can be convex surface.In the present embodiment, form the structure of concave surface forming surface on the formation patrix 31 on the forming surface of formation aspheric surface and aspheric surface periphery tabular surface, the counterdie 33, but also can be opposite, form the structure of concave surface forming surface on the formation counterdie 33 on the forming surface of formation aspheric surface and aspheric surface periphery tabular surface, the patrix 31, constitute the structure that side mold 35 embeddings is fixed in counterdie 33.
The material of patrix 31, counterdie 33 and side mold 35 can be from being that the known conducts such as superhard material, silit, silicon nitride, nitriding rate, carbon of principal ingredient are used for the mould material of extrusion forming glass optical component suitable the selection and use with the tungsten carbide.Can also use the material that has formed diaphragms such as various metals, pottery, carbon at these material surfaces.Can make patrix 31, counterdie 33 and side mold 35 be identical material, also can be different respectively materials.
As die pressing method, can adopt with shaping mould direct die pressing and other known methods according to direct extrusion forming melten glass.The pressurization means do not have particular determination, can suit to select to use the known pressurization means such as electric cylinder that adopted air cylinder, oil pressure cylinder, servo motor.The pressurization means drive can be any one of patrix 31, counterdie 33, also can drive both sides.
Glass material does not have particular determination, can select to be used for the known glass of optical purposes according to purposes.Can enumerate for example phosphoric acid class glass and lanthanum class glass etc.
With reference to Fig. 5, the forming method summary of glass forming body is described.Fig. 5 is the shaped device one routine cross section pattern diagram of embodiment of the present invention glass forming body manufacturing installation.
In the present embodiment, the drip nozzle 71 that is provided with by fusion tank 7 bottoms to the bearing plane (forming surface 33a) of the counterdie 33 of the mould 3 that is heated to the institute fixed temperature lower than melten glass temperature, is supplied with melten glass 10.At this moment, fusion tank 7 and drip nozzle 71 by do not have illustrated well heater be heated to respectively fixed temperature.The counterdie 33 of having accumulated melten glass 10 moves to patrix 31 belows, with counterdie 33 and patrix 32 and side mold 35 extrusion forming melten glass 10, and the glass forming body of each forming surface that obtained transfer printing.
In the forming process of above-mentioned forming method, speed one side on melten glass 10 of melten glass 10 coolings is different with the end with following one side or center, and the amount of contraction that cooling causes is inhomogeneous.Especially counterdie 33, and in its bearing plane (forming surface 33a) in the heart after melten glass 10 land, melten glass 10 spreads around bearing plane gradually with supply, so the amounts of contraction of one side are inhomogeneous easily below the melten glass 10.Therefore be difficult to one side below the high precision moulding.And one side is subjected to the cooling effect of counterdie 33 low above the melten glass 10, slightly carries out simultaneously with running into also of patrix 31 and side mold 35.Therefore, surface temperatures are more stable above the melten glass 10, above an optical surface can the high precision moulding.To this, among the present invention, the following one side of molded glass forming body by back operation machining, is processed as high precision.
Fig. 2 represents to use glass forming body one example of said structure shaped device 6 moulding.Fig. 2 is the cross section pattern diagram of glass forming body 1 one examples.
As shown in Figure 2, formed the transfer surface 1d of patrix 31 aspheric transfer surface 1a and transfer surface 1a periphery tabular surface on the one side of glass forming body 1, form the transfer surface 1b of counterdie 33 convex surfaces on the another side, formed the transfer surface 1e of side mold 35 barrel surface on the side.The transfer surface 1e of side can be formed on the whole side of glass forming body 1, also can only be formed on the part of side.Below in the explanation,, be called aspheric surface 1a, periphery tabular surface 1d, convex surface 1b and side barrel surface 1e with transfer surface 1a, transfer surface 1d, transfer surface 1b and transfer surface 1e.
Here, one side aspheric surface 1a and periphery tabular surface 1d are formed by the side mold 35 that is fixed in patrix 31 simultaneously by patrix 31, side barrel surface 1e.Therefore, guaranteed relative position relation between aspheric surface 1a and periphery tabular surface 1d and the side barrel surface 1e.In other words, the optical axis of aspheric surface 1a and the relative position relation between periphery tabular surface 1d and the side barrel surface 1e have been guaranteed.
[operation of packing into]
At first with reference to Fig. 3, the support of the glass forming body 1 of mold pressing manufacturing procedure moulding is explained with the processing Mirror frame structure.Fig. 3 is the schematic configuration cross section pattern diagram according to the processing mirror holder 5 of embodiment of the present invention one example.
As shown in Figure 3, the major part of processing mirror holder 5 is made of chuck 51, workpiece fitting piece A53 and workpiece fitting piece B55 etc.
Workpiece fitting piece A53 belongs to the glass forming body support component A among the present invention, and the face above it is run into by the periphery tabular surface 1d of the glass forming body 1 of mounting, has formed the smooth supporting surface A53a that supports formed body 1 on the face above this.Meet the guaranteed periphery tabular surface of relative position relation 1d with aspheric surface 1a optical axis by supporting surface A53a, regulation the inclination of aspheric surface 1a optical axis of relative processing mirror holder 5 cores.
Workpiece fitting piece B55 belongs to the glass forming body support component B among the present invention, and cylindric supporting surface B55a has been formed at its inner face top, and this cylindric supporting surface B55a meets the barrel surface 1e of glass forming body 1, support glass formed body 1.Meet the guaranteed side barrel surface of relative position relation 1e with aspheric surface 1a optical axis by supporting surface B55a, regulation the departing from of aspheric surface 1a center of relative processing mirror holder 5 cores.
Fig. 4 is in the cross section pattern diagram of processing glass forming body 1 state of packing on the mirror holder 5.As mentioned above, because be make and glass forming body 1 aspheric surface 1a optical axis between relative position relation guaranteed periphery tabular surface 1d and side barrel surface 1e run into respectively processing mirror holder supporting surface A53a and supporting surface B55a, support glass formed body 1, so, regulation the inclination and the misalignment of glass forming body 1 aspheric surface 1a optical axis of relative processing mirror holder 5 cores, as shown in Figure 4, aspheric surface 1a optical axis with processing mirror holder 5 cores, be that machining center is consistent.
[machining operation]
Under the state shown in Figure 4 of the glass forming body 1 of packing on the processing mirror holder 5, machining is the convex surface 1b of glass forming body 1 another side, forms for example convex surface shown in the dotted line (machined surface 1c), obtains non-spherical lens 1A.In the present embodiment, machined surface 1c is formed convex surface, but is not limited to convex surface, also can be concave surface.
As machining process, can adopt cut, grind known job operations such as cutting processing, attrition process.
As mentioned above, because glass forming body 1 aspheric surface 1a optical axis with processing mirror holder 5 cores, be that machining center is consistent.Therefore, the convex surface 1b of machining glass forming body 1 under this state can easily make convex surface (machined surface 1c) optical axis consistent with aspheric surface 1a optical axis like this.
As mentioned above, the manufacture method of the non-spherical lens 1A of embodiment of the present invention, because be when mold pressing processed glass material, form the aspheric surface 1a of one side and the side barrel surface 1e of periphery tabular surface 1d and side simultaneously, so, guaranteed the relative position relation between aspheric surface 1a and periphery tabular surface 1d and the side barrel surface 1e.In other words, guaranteed relative position relation between aspheric surface 1a optical axis and periphery tabular surface 1d and the side barrel surface 1e.Because be supporting surface A53a and the supporting surface B55a that makes relative position relation guaranteed periphery tabular surface 1d and side barrel surface 1e above-mentioned and aspheric surface 1a optical axis run into processing mirror holder 5 respectively, support glass formed body 1, so, regulation the inclined light shaft and the misalignment of glass forming body 1 aspheric surface 1a of relative processing mirror holder 5 cores, aspheric surface 1a optical axis with processing mirror holder 5 cores, be that machining center is consistent.Like this, when the another side of machining glass forming body 1 for example forms sphere, can easily make the optical axis of this sphere consistent with aspheric optical axis.
In addition, because constituted support by the periphery tabular surface 1d of the glass forming body 1 of mold pressing manufacturing procedure moulding and the structure of side barrel surface 1e, so the shape of the another side of the glass forming body 1 of moulding is limited to tabular surface unlike in the past, also can be convex surface, concave surface.Equally, the shape of aspheric surface 1a also can be convex surface, concave surface.Thus, the shape of glass forming body is not limited, make the non-spherical lens of the shape of hoping.
As a result, can not influence productivity, no matter the shape of glass forming body how, is made the non-spherical lens of the shape of hoping accurately.
More than in the explanation, an example that the optical function face is an aspheric surface of non-spherical lens has been described, but the non-spherical lens that it all is aspheric surface that the present invention also can be applied to two optical function faces.
Symbol description
1 glass forming body
The 1A non-spherical lens
1a transfer surface (aspheric surface)
1b transfer surface (convex surface)
1d transfer surface (periphery tabular surface)
1e transfer surface (side barrel surface)
The 1c machined surface
3 moulds
31 patrixes
31a, 31c forming surface
33 counterdies
The 33a forming surface
35 side mold
The 35a forming surface
5 processing mirror holders
51 chucks
53 workpiece fitting piece A
53a supporting surface A
55 workpiece fitting piece B
55a supporting surface B
6 shaped devices
7 fusion tanks
71 drip nozzles
10 melten glass
Claims (8)
1. the manufacture method of a non-spherical lens is the non-spherical lens manufacture method that mold pressing processing and machining glass material form non-spherical lens, it is characterized in that possessing following operation:
The mold pressing manufacturing procedure, the described glass material of mold pressing forms the tabular surface of aspheric surface and this aspheric surface periphery and the side of this tabular surface of ining succession simultaneously, forms glass forming body;
The operation of packing into, with the described glass forming body processing mirror holder of packing into, this processing mirror holder is run into the described tabular surface and the described side of the described glass forming body that is formed by described mold pressing manufacturing procedure, supports and locate this glass forming body;
The machining operation is machined in the another side that the described operation of packing into is loaded into the described glass forming body of described processing mirror holder, form fixed face shape.
2. as the manufacture method of the non-spherical lens of record in the claim 1, it is characterized in that the mould that adopts in the described mold pressing processing has upper die and lower die and forms the side mold of described side.
3. as the manufacture method of non-spherical lens of record in the claim 2, it is characterized in that, described mold pressing manufacturing procedure be on described counterdie, accumulate melten glass after, with the melten glass on described patrix and the above-mentioned counterdie of described side mold mold pressing.
4. as the manufacture method of the non-spherical lens of record in the claim 3, it is characterized in that, supply to the temperature of the melten glass of described counterdie in the described mold pressing manufacturing procedure, be higher than the temperature of described counterdie.
5. as the manufacture method of the non-spherical lens put down in writing in any one of claim 2 to 4, it is characterized in that described side mold is fixed in described patrix or described counterdie.
6. as the manufacture method of the non-spherical lens put down in writing in any one of claim 1 to 5, it is characterized in that described processing mirror holder has: the glass forming body support component A that runs into the described tabular surface of described glass forming body; Meet the glass forming body support component B of the described side of described glass forming body.
7. as the manufacture method of the non-spherical lens put down in writing in any one of claim 1 to 6, it is characterized in that described tabular surface is perpendicular to described aspheric optical axis, described parallel sided is in described aspheric optical axis.
8. as the manufacture method of the non-spherical lens put down in writing in any one of claim 1 to 7, it is characterized in that described machining operation comprises cut, grinds at least a job operation of cutting in processing, the attrition process.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008295434 | 2008-11-19 | ||
| JP2008-295434 | 2008-11-19 | ||
| PCT/JP2009/069362 WO2010058740A1 (en) | 2008-11-19 | 2009-11-13 | Aspheric lens manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102216812A true CN102216812A (en) | 2011-10-12 |
Family
ID=42198180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980145511XA Pending CN102216812A (en) | 2008-11-19 | 2009-11-13 | Aspheric lens manufacturing method |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20110215492A1 (en) |
| JP (1) | JPWO2010058740A1 (en) |
| CN (1) | CN102216812A (en) |
| WO (1) | WO2010058740A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029095A (en) * | 2014-06-18 | 2014-09-10 | 福建华科光电有限公司 | Aspheric lens decentration processing method |
| CN113608314A (en) * | 2016-12-27 | 2021-11-05 | 三菱工程塑料株式会社 | Molded article and method for producing molded article |
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| JP5499074B2 (en) * | 2011-05-17 | 2014-05-21 | Ｈｏｙａ株式会社 | Lens blank, method for manufacturing the same, and method for manufacturing a lens |
| CN105008292B (en) * | 2013-02-25 | 2018-07-24 | Hoya株式会社 | Grinding glass lens blank and its manufacturing method, the manufacturing method of optical lens |
| WO2015186696A1 (en) * | 2014-06-03 | 2015-12-10 | 株式会社ニコン・エシロール | Lens blank, lens matrix, method for manufacturing lens blank, and method for manufacturing spectacle lens |
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- 2009-11-13 WO PCT/JP2009/069362 patent/WO2010058740A1/en active Application Filing
- 2009-11-13 JP JP2010539218A patent/JPWO2010058740A1/en active Pending
- 2009-11-13 CN CN200980145511XA patent/CN102216812A/en active Pending
- 2009-11-13 US US13/128,808 patent/US20110215492A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029095A (en) * | 2014-06-18 | 2014-09-10 | 福建华科光电有限公司 | Aspheric lens decentration processing method |
| CN104029095B (en) * | 2014-06-18 | 2016-08-24 | 福建华科光电有限公司 | A kind of processing method ensureing non-spherical lens center deviation |
| CN113608314A (en) * | 2016-12-27 | 2021-11-05 | 三菱工程塑料株式会社 | Molded article and method for producing molded article |
| CN113608314B (en) * | 2016-12-27 | 2023-09-15 | 菱环球聚甲醛株式会社 | Molded article and method for producing molded article |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010058740A1 (en) | 2010-05-27 |
| JPWO2010058740A1 (en) | 2012-04-19 |
| US20110215492A1 (en) | 2011-09-08 |
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